1138336180 has 24 divisors (see below), whose sum is σ = 2403868320. Its totient is φ = 452789280.

The previous prime is 1138336163. The next prime is 1138336187. The reversal of 1138336180 is 816338311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1138336187) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155406 + ... + 162565.

It is an arithmetic number, because the mean of its divisors is an integer number (100161180).

Almost surely, 2^1138336180 is an apocalyptic number.

1138336180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1138336180 is an abundant number, since it is smaller than the sum of its proper divisors (1265532140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1138336180 is a wasteful number, since it uses less digits than its factorization.

1138336180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318159 (or 318157 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 1138336180 is about 33739.2379878384. The cubic root of 1138336180 is about 1044.1354631601.

The spelling of 1138336180 in words is "one billion, one hundred thirty-eight million, three hundred thirty-six thousand, one hundred eighty".